RT null T1 Tunza vol. 8.1: avatar: reaching the heart A1 United Nations Environment Programme, PB United Nations Environment Programme SN 1727-8902 YR 2010 FD 2010 LK https://wedocs.unep.org/handle/20.500.11822/7881 UL https://wedocs.unep.org/handle/20.500.11822/7881 NO UNEPs magazine for youth, about young and by young people DS UN Environment Document Repository RD Sep 24, 2026